Code:
# netstat -in
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
ral0 2290 <Link#1> 00:0c:f6:xx:xx:xx 989916 0 979643 2145 0
[...]
#
The Oerrs for this network device increase really slowly (+/- 2 on a 76MB upload from my laptop to the server). While streaming, they Oerrs increase at a higher rate (+/- 1 per 2 seconds)